All "official" contests will begin at midnight PST on the start date and end at 11:59 PST on the end date. This applies to all Community Relations run contests and all DeviantArt sponsored contests, unless otherwise stated.

There are lots of contests, both official and user-created, that anyone can enter. While a few are for US residents only, this is due to the companies who sponsor them rather than dA itself. Maybe instead of demanding that all opportunities to enter contests are removed from dA you could consider creating a contest to inspire other artists...open to everyone to enter

for gods sake, us only contests? what has the world come to? i swear american people act like there is nothing beyond their beloved america. Well there is. It is a little island where you get drunk have fun and try not to go to bed, england its called